Standardization of Method for Chemical Phases   Analysis of Free Silica in Limestone

Standardization of Method for Chemical Phases Analysis of Free Silica in Limestone[J]. Rock and Mineral Analysis, 2000, (4): 259-263.

Citation:

Standardization of Method for Chemical Phases Analysis of Free Silica in Limestone[J]. Rock and Mineral Analysis, 2000, (4): 259-263.

Citation:

Standardization of Method for Chemical Phases Analysis of Free Silica in Limestone[J]. Rock and Mineral Analysis, 2000, (4): 259-263.

ABSTRACT

A method for chemical phase analysis of free silica in limestone was discussed in this paper. After dissolving minerals in phosphoric acid, the dissolved silica was depolymerized by fluoroboric acid to separate free silica from other minerals. Then silica

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